大约有 42,000 项符合查询结果(耗时:0.0370秒) [XML]

https://stackoverflow.com/ques... 

Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I

I have three stored procedures Sp1 , Sp2 and Sp3 . 12 Answers 12 ...
https://stackoverflow.com/ques... 

How to jump directly to a column number in Vim

...nough to provide me the exact crash coordinates in the form of line number and column number. However I can't find a way to directly jump to the column number, even though I can jump to the line so easily. ...
https://stackoverflow.com/ques... 

How do I close a connection early?

...TCP connection to the browser without ending the PHP script: Connection handling Docs Supposedly it requires a bit more than sending a close header. OP then confirms: yup, this did the trick: pointing to user-note #71172 (Nov 2006) copied here: Closing the users browser connection whilst ...
https://stackoverflow.com/ques... 

How to grep (search) committed code in the Git history

...ommit content (i.e., actual lines of source, as opposed to commit messages and the like), you need to do: git grep <regexp> $(git rev-list --all) git rev-list --all | xargs git grep <expression> will work if you run into an "Argument list too long" error. If you want to limit the sea...
https://stackoverflow.com/ques... 

How do I list all cron jobs for all users?

Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? I'd like it to include all of the user crontabs, as well as /etc/crontab , and whatever's in /etc/cron.d . It would also be nice to see the specific commands run by run-parts in /e...
https://stackoverflow.com/ques... 

Why is it impossible to build a compiler that can determine if a C++ function will change the value

...er any given program will terminate. This is known as the halting problem, and it's one of those things that's not computable. To be clear, you can write a compiler that can determine that a function does change the variable in some cases, but you can't write one that reliably tells you that the fu...
https://stackoverflow.com/ques... 

How can I make a ComboBox non-editable in .NET?

... How do I avoid the gray appearance? – Anders Linn May 23 '16 at 12:31 2 @Anders...
https://stackoverflow.com/ques... 

Search for selection in vim

I use vim and vim plugins for visual studio when writing C++. Often, I find myself wanting to search for a string within a function, for example every call to object->public_member.memberfunc() . ...
https://stackoverflow.com/ques... 

What is the relative performance difference of if/else versus switch statement in Java?

... That's micro optimization and premature optimization, which are evil. Rather worry about readabililty and maintainability of the code in question. If there are more than two if/else blocks glued together or its size is unpredictable, then you may high...
https://stackoverflow.com/ques... 

Passing command line arguments to R CMD BATCH

.... I am now at the point where I would like to pass an argument to the command, but am having some issues getting it working. If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather than being interpreted as an argument available to the R script being executed. ...